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how to multiply displayed xvalues on plot by constant

Asked by Ryan Mayta on 31 Jan 2018
Latest activity Commented on by Omkar Banne on 18 May 2019
How can I change the the display, that is the way the x values look on the plot (not the x-values themselves in the code - just the way they look) to multiply them by a constant. Kind of like scaling.

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1 Answer

Answer by Jos (10584)
on 31 Jan 2018

Here is one approach:
% create plot
x=-10:2:10
y = x.^2
plot(x,y,'bo-')
% modify labels for tick marks
xticks = get(gca,'xtick')
scaling = pi
newlabels = arrayfun(@(x) sprintf('%.1f', scaling * x), xticks, 'un', 0)
set(gca,'xticklabel',newlabels)

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